querybynameaction.java

SSH框架

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.test.struts.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.sun.DAO.IDAO;
import com.sun.DAO.IDAOImpl;
import com.test.struts.form.QueryByNameForm;

/** 
 * MyEclipse Struts
 * Creation date: 10-21-2008
 * 
 * XDoclet definition:
 * @struts.action path="/queryByName" name="queryByNameForm" input="/form/queryByName.jsp" scope="request" validate="true"
 */
public class QueryByNameAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		System.out.println("sfdsffsfsdf");
		QueryByNameForm queryByNameForm = (QueryByNameForm) form;// TODO Auto-generated method stub
		
		String bookname = queryByNameForm.getBookname();
		IDAO idao = new IDAOImpl();
		
		try{
		List list = idao.queryByName(bookname);
		
		if(list.size()==0){
			return mapping.findForward("bad");
		}
		else{
		request.setAttribute("list",list);
		return mapping.findForward("show");
		}
		}
		catch(Exception e){
			e.printStackTrace();
			return mapping.findForward("bad");
		}
	
	}
}